4 public questions tagged with this topic.
In AsF₅ , arsenic uses one s, three p, and one d orbital to form five sp³d hybrid orbitals, giving a trigonal bipyramidal shape.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In PCl₅ , phosphorus has 5 bonds (10 electrons), exceeding the octet due to d-orbital availability.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Kossel-Lewis Approach and Octet Rule and Lewis Structures
In SF₆ , sulfur has 12 electrons around it, exceeding the octet due to the availability of d orbitals.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Kossel-Lewis Approach and Octet Rule and Lewis Structures
In BrF₅ , bromine has 5 bonds (10 electrons) and 1 lone pair (2 electrons), totaling 12 electrons, exceeding the octet via d-orbital use.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Kossel-Lewis Approach and Octet Rule and Lewis Structures
